EP3506440A1 - Modular cabinet design - Google Patents

Modular cabinet design Download PDF

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Publication number
EP3506440A1
EP3506440A1 EP18169244.3A EP18169244A EP3506440A1 EP 3506440 A1 EP3506440 A1 EP 3506440A1 EP 18169244 A EP18169244 A EP 18169244A EP 3506440 A1 EP3506440 A1 EP 3506440A1
Authority
EP
European Patent Office
Prior art keywords
frame
elements
frame element
guide elements
cabinet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP18169244.3A
Other languages
German (de)
English (en)
French (fr)
Inventor
Chao-Jung Chen
Wen-Lung Liao
Chih-Ming Chen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quanta Computer Inc
Original Assignee
Quanta Computer Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Quanta Computer Inc filed Critical Quanta Computer Inc
Publication of EP3506440A1 publication Critical patent/EP3506440A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/02—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements made of metal only
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B47/00—Cabinets, racks or shelf units, characterised by features related to dismountability or building-up from elements
    • A47B47/0058—Horizontal connecting members without panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/06—Non-loosenable joints for metal furniture parts
    • F16B12/08—Non-loosenable joints for metal furniture parts without use of separate connecting elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/10—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like
    • F16B12/28—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts
    • F16B12/30—Jointing of furniture or the like, e.g. hidden from exterior using pegs, bolts, tenons, clamps, clips, or the like for metal furniture parts using threaded bolts
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/01—Frameworks
    • H02B1/014—Corner connections for frameworks
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/18—Construction of rack or frame
    • H05K7/183—Construction of rack or frame support rails therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/46—Rod end to transverse side of member
    • Y10T403/4602—Corner joint

Definitions

  • the present invention relates generally to the field of cabinet and rack assembly design, specifically to modular structural elements used to fabricate cabinets and enclosures.
  • Cabinets and enclosures are used to house and protect a wide variety of items, which may vary greatly in size and shape.
  • a variety of cabinet configurations have been developed for the protection of items such as electrical and electronic assemblies, vacuum tubes and state-of-the-art compact high speed hybrid and digital circuits.
  • Today, electronic assemblies differ as to the space and proportions necessary to house them.
  • a cabinet that measures several cubic feet may be necessary to house a high voltage system or a multi-server system, while a cabinet that measures the size of a pack of cigarettes may be sufficient to house a compact electrical or embedded electronics arrangement.
  • users of such enclosures are limited to either choosing a standard size enclosure, which may be too large for their applications; or fabricating a custom size enclosure, which may require welding, a large amount of machining, and/or high tooling and other significant costs.
  • a cabinet with multiple compartments.
  • custom fabrication becomes considerably more difficult and costly.
  • Means for construction of a cabinet or enclosure, or a set of modular interconnected cabinets or enclosures, that provides strength, ease of assembly, and appropriate size for a particular application, large or small, have yet to be realized.
  • U.S. Pat. No. 3,182,846 to La Kaff (hereinafter La Kaff) and U.S. Pat. No. 3,919,603 to Salvati (hereinafter Salvati) disclose cabinet configurations that involve mechanical assembly.
  • La Kaff side frame struts are coupled to the top and base members using engaging elements formed of generally rectangular aluminum blocks, which are attached by welding to the top and bottom members and struts.
  • the engaging elements have frustoconical portions configured to fit snugly together.
  • the top and base members are matted via the engaging elements and bolted together. Both manufacturing cost and lack of versatility make this frame an undesirable alternative.
  • Salvati discloses a switchgear framework including a corner tie for supporting three structural corner members together.
  • the corner tie has three rectangular-shaped perpendicular legs with three sides and outwardly facing flanges, the three struts being slid over the leg portions.
  • the struts and leg portions have different cross-sectional configurations, and the corner tie is of a generally complex configuration, such that this frame structure is not conducive to low-cost manufacturing techniques.
  • U.S. Pat. No. 5,066,161 to Pinney discloses a simplified cabinet frame structure element.
  • the simplified cabinet frame structure element of Pinney requires bends, cuts at angles on corners, and a welding process.
  • the simplified cabinet frame structure element of Pinney is not conducive to low-cost manufacturing techniques.
  • an enclosure and cabinet system that allows for rapid, low-cost, custom fabrication of high-strength, modular enclosures.
  • an enclosure and cabinet system that require little or no welding, and little or no machining is ideal.
  • Embodiments of the invention concern a cabinet structure.
  • the cabinet structure includes two side frames, and at least one vertical sectional bar connecting the side frames via a plurality of frame elements.
  • the frame elements include first and second frame elements.
  • the first frame element includes a connecting face that has a frontal cavity and a plurality of guide elements.
  • the second frame element includes a receiving face configured to receive the guide elements of the first frame element, and a through hole aligned with the frontal cavity of the first frame element.
  • the frame elements also include a securing element configured to be screwed into the frontal cavity via the through hole to forge a secure interlocking fitting of the first and second frame elements.
  • the plurality of guide elements includes two block-like, parallelepiped guide elements and the receiving face comprises slots to receive the two block-like, parallelepiped guide elements.
  • the plurality of guide elements includes four block-like, parallelepiped guide elements.
  • the receiving face can include slots to receive the four block-like, parallelepiped guide elements.
  • the plurality of guide elements can include two semi-circle guide elements guide elements.
  • the receiving face can include slots to receive the two semi-circle guide elements.
  • the securing element includes an assembly screw with a self-tapping thread engaging in the through hole of the second frame element.
  • the first frame element can be secured within one of the at least one vertical sectional bars via additional fixing elements.
  • the second frame element can be secured within one of the two side frames via additional fixing elements.
  • the first frame element can be secured within one of the at least one vertical sectional bars via spot welding.
  • the second frame element can be secured within one of the two side frames via spot welding.
  • Embodiments of the present invention provide interlocking frame elements used to join frames of an enclosure and cabinet system.
  • the interlocking frame elements are not only able to join frames, but can also support the weight, stress and shear that cabinets encounter.
  • the interlocking frame can vary in cross-sectional shapes to allow for rapid, low-cost, custom fabrication of high-strength, modular enclosures that require little or no welding, and little or no machining.
  • all of the components can be pre-fabricated separately to reduce costs associated with transportation and storage. Because cabinet systems are typically welded, construction is typically required before transportation and storage. Therefore, consumers typically receive large shipments of the full sized cabinet structure completely assembled. In this disclosure, the entire enclosure and cabinet system can be assembled on site.
  • the claimed frame element can be installed between the left and the right frame with an interlocking mechanism.
  • the interlocking mechanism can be secured utilizing a threaded bolt or a screw.
  • the interlocking frame elements allow for shipping and storing flat packs for the enclosure and cabinet system.
  • the costs associated with transportation and storage can be further reduced.
  • FIG. 1 is an exploded view of an exemplary cabinet 10 for subassemblies and equipment.
  • the cabinet 10 can include a top cover 1, a left frame 2, a right frame 3, base frames 4A and 4B, vertical sectional bars 5A and 5B connecting the left frame 2 and right frame 3.
  • the vertical sectional bars 5A and 5B are interconnected by means of the frame elements 20A and 20B to the left frame 2 and the right frame 3.
  • the frame elements 20A and 20B and the integration into cabinet 10 are discussed in greater detail below.
  • the cabinet 10 can be formed from metal, plastic, composite, or a combination thereof and can be configured to support the weight of any electrical and electronic assemblies disposed therein.
  • the cabinet 10 and its components can be made of sheet metal using conventional metal fabrication techniques such as bending, forming, and stamping. As a result, the cabinet 10 can, in some embodiments, be made very inexpensively. Alternatively, the cabinet 10 and its components can be made of aluminum alloy, steel alloy, or any combination thereof. It should be realized that the cabinet 10 and its components can be made of any material with low cost of construction and durability to house electrical and electronic assemblies of varying weight. The materials mentioned above are only for example, and not to limit this disclosure. Thus, the present disclosure contemplates that any material or combination of materials can be used in the various embodiments without limitation.
  • FIG. 2 there is shown a close-up of an exploded view of an exemplary set of frame elements 20A and 20B in accordance with some embodiments.
  • the frame elements 20A and 20B can be formed from a hollow aluminum pressure die casting.
  • the present disclosure contemplates that any material or combination of materials can be used in the various embodiments without limitation.
  • the frame elements 20A and 20B can be made utilizing any process that allows for low construction cost.
  • the process of hollow aluminum pressure die casting mentioned above is only for example, and not to limit this disclosure.
  • Frame element 20A can include a connecting face 21 with two block-like, parallelepiped guide elements 24 extending therefrom.
  • the connecting face 21 can include a frontal cavity 27 extending through frame element 20A.
  • Frame element 20B can include a receiving face 22 that includes two slots for receiving the parallelepiped guide elements 24 of frame element 20A.
  • the fit between the male frame element and the female frame element can be exact to provide a more solid support piece once combined.
  • the fit between the male frame element and the female frame element can be loose to facilitate assembly on site.
  • designing the male frame element and the female frame element to have a loose assembly, or less tolerance, can reduce the cost of production.
  • a loose assembly may include, for example, tapered guide elements. In this configuration, the design tolerance can be lower while the strength and stability of the frame elements can be maintained. This exemplary design is discussed in further detail below.
  • the frame element 20A can include a varying number of block-like, parallelepiped guide elements.
  • the frame element 40A is shown with four block-like, parallelepiped guide elements 44.
  • the frame element coupling with frame element 40A can include four slots for receiving the parallelepiped guide elements 44 of frame element 40A.
  • FIG. 5 shows the frame element 70A with two semi-circle guide elements 74.
  • the frame element coupling with frame element 70A can include two slots for receiving the semi-circle guide elements 74 of frame element 70A.
  • the guide elements can be rounded, or tapered at the end to allow for more density of the frame element coupling with frame element 70A.
  • FIG. 6 shows the frame element 60A with two tapered guide elements 64.
  • various guide elements can be implemented to interlock a male frame element with a female frame element.
  • a female frame element would be configured to correspond to the configuration of a corresponding male frame element.
  • the frame elements may have embody the configuration of both have male and female components.
  • each frame element may be configured such to have a guide element and a receiving element corresponding to the other's guide element.
  • the frame element 20B can also include a through hole 26 for receiving a securing element 23.
  • the securing element 23 can include an assembly screw 29 with a thread 28 on the front shank engaging in the through hole 26.
  • the securing element 23 can be screwed into the frontal cavity 27 of the connecting face 21 of the frame element 20A.
  • the through holes 26 are provided at their exit openings with spot facings, which can be used for collecting the turnings or material thrown up during screwing in.
  • the frame element 20A can be fixed within the vertical sectional bar 5A via additional fixing elements.
  • the vertical sectional bar 5A can include through holes 51, 52, 53 and 54.
  • the additional fixing elements can secure the frame element 20A within the vertical sectional bar 5A via the through holes 51, 52, 53 and 54.
  • the frame element 20A can be fixed within the vertical sectional bar 5A by implementing a spot welding process. That is, the through holes 51, 52, 53 and 54 can alternatively serve as welding points of a spot welding process to secure frame element 20A in place.
  • the process of securing the frame element 20A within the vertical sectional bar 5A can be accomplished by any means preferably with low costs of construction while maintaining durability to house electrical and electronic assemblies of varying weight.
  • the processes mentioned above are only for example, and not to limit this disclosure.
  • a person having ordinary knowledge in the art may affix the frame element 20A within the vertical sectional bar 5A by implementing any process in accordance with the disclosure.
  • the frame element 20B can also be fixed within the right frame 3 implementing additional fixing elements.
  • the right frame 3 can include through holes 30, 31, 32, 33 and 34. It should be noted that the right frame 3 can include additional through holes not shown herein. Through hole 30 can be configured to receive the securing element 23.
  • the additional fixing elements can secure the frame element 20B within the right frame 3 via the through holes 31, 32, 33 and 34.
  • the frame element 20B can be fixed within the right frame 3 by implementing a spot welding process. That is, as discussed above with frame elements 20A, the through holes 31, 32, 33 and 34 can serve as welding points of a spot welding process.
  • the process of securing the frame element 20B within the right frame 3 can be accomplished by any means preferably with low costs of construction while maintaining durability to house electrical and electronic assemblies of varying weight.
  • the processes mentioned above are only for example, and not to limit this disclosure.
  • a person having ordinary knowledge in the art may affix the frame element 20B within the right frame 3 by implementing any process in accordance with the disclosure.
  • FIG. 3 is a close-up of the assembled view of the frame elements 20A and 20B.
  • the frame elements 20A and 20B can be secured together to forge a secure interlocking frontal fitting.
  • the guide elements 24 of frame 20A interlock with the receiving slots of the frame element 20B to create a solid structure.
  • the frontal cavity 27 of the connecting face 21 aligns with the through hole 26.
  • the securing element 23 can be screwed into the frontal cavity 27, of the connecting face 21, of the frame element 20A, via the through hole 26, thereby creating a secure interlocking frontal fitting of the frame elements 20A and 20B.
  • the frame elements 20A and 20B can be secured together to create a secure interlocking frontal fitting to connect the vertical sectional bar 5A to the left frame 2. Similarly, the frame elements 20A and 20B can be secured together to create a secure interlocking frontal fitting to connect the base frames 4A and 4B to the left frame 2 and the right frame 3 to complete the construction of the cabinet 10.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Casings For Electric Apparatus (AREA)
  • Assembled Shelves (AREA)
  • Cabinets, Racks, Or The Like Of Rigid Construction (AREA)
  • Furniture Connections (AREA)
EP18169244.3A 2017-12-27 2018-04-25 Modular cabinet design Withdrawn EP3506440A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15/855,810 US10610013B2 (en) 2017-12-27 2017-12-27 Modular cabinet design

Publications (1)

Publication Number Publication Date
EP3506440A1 true EP3506440A1 (en) 2019-07-03

Family

ID=62110864

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18169244.3A Withdrawn EP3506440A1 (en) 2017-12-27 2018-04-25 Modular cabinet design

Country Status (5)

Country Link
US (1) US10610013B2 (ja)
EP (1) EP3506440A1 (ja)
JP (1) JP6650490B2 (ja)
CN (1) CN109982541B (ja)
TW (1) TWI659713B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12058834B2 (en) * 2021-10-22 2024-08-06 Dell Products L.P. Seismically fortified electronic equipment racks

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US2167525A (en) 1935-08-08 1939-07-25 Western Electric Co Cabinet
US3182846A (en) 1961-04-11 1965-05-11 Borg Warner Cabinet structure
US3265419A (en) 1963-12-30 1966-08-09 Honeywell Inc Cabinet structure
US3919603A (en) 1973-02-21 1975-11-11 Westinghouse Electric Corp Switchboard framework corner tie
EP0183395A1 (en) * 1984-11-01 1986-06-04 Rittal-Werk Rudolf Loh GmbH & Co. KG Frame Structures
US5066161A (en) 1989-05-08 1991-11-19 Pinney Richard C Framework for cabinet structure
FR2674581A1 (fr) * 1991-03-26 1992-10-02 Legrand Sa Dispositif d'assemblage pour profiles creux.
US5695263A (en) * 1993-02-25 1997-12-09 Knurr-Mechanik Fur Die Elektronik Aktiengesellschaft Cabinet
EP0948916A1 (en) * 1998-04-07 1999-10-13 E.T.A. S.p.A. Support structure for a modular cabinet for electric and/or electronic apparatuses
EP1050244A2 (en) * 1999-02-23 2000-11-08 Angelo Odorico Assembly joint for furniture frames
WO2008124911A1 (en) * 2007-04-11 2008-10-23 Melquisedec Francisquini Improvement in cabinet for electronic components

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2167525A (en) 1935-08-08 1939-07-25 Western Electric Co Cabinet
US3182846A (en) 1961-04-11 1965-05-11 Borg Warner Cabinet structure
US3265419A (en) 1963-12-30 1966-08-09 Honeywell Inc Cabinet structure
US3919603A (en) 1973-02-21 1975-11-11 Westinghouse Electric Corp Switchboard framework corner tie
EP0183395A1 (en) * 1984-11-01 1986-06-04 Rittal-Werk Rudolf Loh GmbH & Co. KG Frame Structures
US5066161A (en) 1989-05-08 1991-11-19 Pinney Richard C Framework for cabinet structure
FR2674581A1 (fr) * 1991-03-26 1992-10-02 Legrand Sa Dispositif d'assemblage pour profiles creux.
US5695263A (en) * 1993-02-25 1997-12-09 Knurr-Mechanik Fur Die Elektronik Aktiengesellschaft Cabinet
EP0948916A1 (en) * 1998-04-07 1999-10-13 E.T.A. S.p.A. Support structure for a modular cabinet for electric and/or electronic apparatuses
EP1050244A2 (en) * 1999-02-23 2000-11-08 Angelo Odorico Assembly joint for furniture frames
WO2008124911A1 (en) * 2007-04-11 2008-10-23 Melquisedec Francisquini Improvement in cabinet for electronic components

Also Published As

Publication number Publication date
JP6650490B2 (ja) 2020-02-19
TWI659713B (zh) 2019-05-21
CN109982541B (zh) 2021-03-16
JP2019115654A (ja) 2019-07-18
US20190191871A1 (en) 2019-06-27
TW201927216A (zh) 2019-07-16
CN109982541A (zh) 2019-07-05
US10610013B2 (en) 2020-04-07

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